| Title |
Priming of Anti-Herbivore Defense in Tomato by Arbuscular Mycorrhizal Fungus and Involvement of the Jasmonate Pathway
|
|---|---|
| Published in |
Journal of Chemical Ecology, June 2013
|
| DOI | 10.1007/s10886-013-0312-1 |
| Pubmed ID | |
| Authors |
Yuan Yuan Song, Mao Ye, Chuan You Li, Rui Long Wang, Xiao Chen Wei, Shi Ming Luo, Ren Sen Zeng |
| Abstract |
Mycorrhizas play a vital role in soil fertility, plant nutrition, and resistance to environmental stresses. However, mycorrhizal effects on plant resistance to herbivorous insects and the related mechanisms are poorly understood. This study evaluated effects of root colonization of tomato (Solanum lycopersicum Mill.) by arbuscular mycorrhizal fungi (AMF) Glomus mosseae on plant defense responses against a chewing caterpillar Helicoverpa arimigera. Mycorrhizal inoculation negatively affected larval performance. Real time RT-PCR analyses showed that mycorrhizal inoculation itself did not induce transcripts of most genes tested. However, insect feeding on AMF pre-inoculated plants resulted in much stronger defense response induction of four defense-related genes LOXD, AOC, PI-I, and PI-II in the leaves of tomato plants relative to non-inoculated plants. Four tomato genotypes: a wild-type (WT) plant, a jasmonic acid (JA) biosynthesis mutant (spr2), a JA-signaling perception mutant (jai1), and a JA-overexpressing 35S::PS plant were used to determine the role of the JA pathway in AMF-primed defense. Insect feeding on mycorrhizal 35S::PS plants led to higher induction of defense-related genes relative to WT plants. However, insect feeding on mycorrhizal spr2 and jai1 mutant plants did not induce transcripts of these genes. Bioassays showed that mycorrhizal inoculation on spr2 and jai1 mutants did not change plant resistance against H. arimigera. These results indicates that mycorrhizal colonization could prime systemic defense responses in tomato upon herbivore attack, and that the JA pathway is involved in defense priming by AMF. |
X Demographics
The data shown below were collected from the profile of 1 X user who shared this research output. Click here to find out more about how the information was compiled.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Japan | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 174 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 3 | 2% |
| Switzerland | 1 | <1% |
| Germany | 1 | <1% |
| Canada | 1 | <1% |
| India | 1 | <1% |
| Unknown | 167 | 96% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 38 | 22% |
| Student > Bachelor | 26 | 15% |
| Researcher | 23 | 13% |
| Student > Master | 20 | 11% |
| Student > Doctoral Student | 9 | 5% |
| Other | 19 | 11% |
| Unknown | 39 | 22% |
| Readers by discipline | Count | As % |
|---|---|---|
| Agricultural and Biological Sciences | 96 | 55% |
| Biochemistry, Genetics and Molecular Biology | 19 | 11% |
| Environmental Science | 7 | 4% |
| Arts and Humanities | 2 | 1% |
| Medicine and Dentistry | 2 | 1% |
| Other | 8 | 5% |
| Unknown | 40 | 23% |
Attention Score in Context
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 July 2013.
All research outputs
#18,341,711
of 22,714,025 outputs
Outputs from Journal of Chemical Ecology
#1,746
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Outputs of similar age
#147,272
of 196,325 outputs
Outputs of similar age from Journal of Chemical Ecology
#12
of 19 outputs
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